top of page

Load data for .338 Lapua Mag. Ackley Improved + .338 | 128gr | Hammer Stone Hammer

Recommended Powder(s):

.338 Lapua Mag. Ackley Improved + .338 | 128gr | Hammer Stone Hammer

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 128gr | Hammer Stone Hammer
Manufacturer SKU:
33128SH
Bullet Weight:
128gr | 8.3g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
<<locked>>
Caliber:
.338 Lapua Mag. Ackley Improved load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
124.9 Grains of Water | 8.11 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
69618 psi | 4800 bar
LID:
LID_B12335_C452
Last updated:
2025-01-01

Load data for 0 loads in caliber .338 Lapua Mag. Ackley Improved with .338 | 128gr | Hammer Stone Hammer bullet and 0 powder(s). The key underlying parameters are shown in the table above.

  • Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service

    Questions regarding the load data: Please read the information in the next tab "Explanations".

  • No data yet

  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

    Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads,  >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.

    .

    Loading_icon.gif

Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
84%
62207
89%
**30
101%
ADI AR 2206H
<<locked>>
87%
62410
90%
**58
100%
ADI AR 2208
<<locked>>
93%
62265
89%
**32
100%
[ADI AR 2209]*
<<locked>>
97%
49908
72%
**48
93%
ADI Benchmark 8208
<<locked>>
86%
62613
90%
**35
100%
Accurate 2015
<<locked>>
84%
62236
89%
**50
100%
Accurate 2200
<<locked>>
86%
62424
90%
**29
99%
Accurate 2495
<<locked>>
86%
62511
90%
**99
100%
Accurate 2520
<<locked>>
85%
62120
89%
**12
100%
Accurate 2700
<<locked>>
93%
62642
90%
**50
97%
[Accurate 3100]*
<<locked>>
97%
42598
61%
**51
94%
Accurate 4064
<<locked>>
91%
62308
90%
**12
100%
Accurate 4350
<<locked>>
97%
59248
85%
**32
99%
Alliant AR-Comp
<<locked>>
85%
62439
90%
**86
100%
Alliant Power Pro 2000-MR
<<locked>>
89%
62265
89%
**86
100%
Alliant Reloder- TS 15.5
<<locked>>
93%
62410
90%
**61
100%
Alliant Reloder-15 👍
<<locked>>
90%
62526
90%
**75
100%
Alliant Reloder-16
<<locked>>
97%
55695
80%
**35
99%
Alliant Reloder-17 👍
<<locked>>
95%
62410
90%
**53
100%
[Alliant Reloder-19]*
<<locked>>
97%
48907
70%
**28
93%
Alliant Reloder-23
<<locked>>
97%
40582
58%
**81
97%
Alliant Reloder-26
<<locked>>
97%
45876
66%
**74
97%
Baschieri & Pellagri 107
<<locked>>
87%
62410
90%
**61
100%
Bofors RP3
<<locked>>
92%
62265
89%
**42
100%
Bofors RP7
<<locked>>
96%
62540
90%
**15
97%
Hodgdon BL-C2
<<locked>>
85%
62395
90%
**48
100%
Hodgdon Benchmark
<<locked>>
85%
62105
89%
**86
100%
Hodgdon H322
<<locked>>
84%
62381
90%
**15
100%
Hodgdon H380
<<locked>>
91%
62120
89%
**48
99%
Hodgdon H414
<<locked>>
94%
62424
90%
**94
98%
Hodgdon H4350
<<locked>>
97%
59611
86%
**06
96%
Hodgdon H4895
<<locked>>
87%
62453
90%
**71
100%
Hodgdon Hybrid 100V
<<locked>>
97%
52475
75%
**78
99%
Hodgdon LVR
<<locked>>
97%
62453
90%
**81
99%
Hodgdon Superperformance
<<locked>>
96%
62047
89%
**07
98%
Hodgdon VARGET
<<locked>>
91%
62366
90%
**48
100%
Hodgdon LEVERevolution
<<locked>>
91%
62294
89%
**91
100%
Hodgdon TrailBoss
<<locked>>
96%
33881
49%
**90
100%
IMR 3031
<<locked>>
90%
62555
90%
**45
100%
IMR 4064
<<locked>>
94%
62323
90%
**29
100%
IMR 4166 Enduron
<<locked>>
94%
62308
89%
**12
98%
IMR 4350
<<locked>>
97%
57217
82%
**33
96%
IMR 4451 Enduron
<<locked>>
95%
62482
90%
**22
98%
IMR 4831
<<locked>>
97%
49226
71%
**22
98%
IMR 4895
<<locked>>
89%
62468
90%
**88
100%
IMR 8208 XBR
<<locked>>
86%
62613
90%
**35
100%
Lovex D073.6
<<locked>>
87%
62366
90%
**22
100%
Lovex S060
<<locked>>
88%
62134
89%
**86
100%
Lovex S062
<<locked>>
91%
62584
90%
**22
100%
Lovex S065
<<locked>>
97%
61830
89%
**15
99%
Lovex S070
<<locked>>
97%
59016
85%
**76
97%
Norma 201
<<locked>>
88%
62294
89%
**22
100%
Norma 202
<<locked>>
88%
62395
90%
**19
100%
Norma 203B 👍
<<locked>>
91%
62308
89%
**68
100%
Norma 204
<<locked>>
97%
58711
84%
**93
95%
[Norma MRP]*
<<locked>>
97%
45382
65%
**15
93%
Norma URP
<<locked>>
97%
57406
82%
**12
99%
Ramshot Big Game 👍
<<locked>>
90%
62410
90%
**75
100%
Ramshot Hunter
<<locked>>
97%
56797
82%
**93
98%
Ramshot TAC
<<locked>>
86%
62468
90%
**25
99%
Ramshot Wild Boar
<<locked>>
86%
62366
90%
**48
100%
Ramshot X-Terminator
<<locked>>
84%
62468
90%
**02
100%
ReloadSwiss RS 14
<<locked>>
97%
34635
50%
**49
100%
ReloadSwiss RS 50
<<locked>>
91%
62526
90%
**22
98%
ReloadSwiss RS 52
<<locked>>
88%
62352
90%
**37
100%
ReloadSwiss RS 60
<<locked>>
93%
62598
90%
**66
100%
ReloadSwiss RS 62
<<locked>>
97%
59176
85%
**45
99%
ReloadSwiss RS 70
<<locked>>
97%
58247
84%
**88
99%
Rottweil R 901
<<locked>>
86%
62381
90%
**02
100%
Rottweil R 902
<<locked>>
90%
62076
89%
**06
100%
Rottweil R 903
<<locked>>
94%
62569
90%
**52
100%
[Rottweil R 904]*
<<locked>>
97%
51372
74%
**15
92%
[Rottweil R 905]*
<<locked>>
97%
47398
68%
**89
92%
Rottweil R 907
<<locked>>
96%
62540
90%
**15
97%
SNPE Vectan SP 11 👍
<<locked>>
93%
62424
90%
**81
100%
SNPE Vectan SP 7
<<locked>>
86%
62366
90%
**25
99%
SNPE Vectan SP 9
<<locked>>
88%
62308
90%
**48
100%
SNPE Vectan Tubal 3000
<<locked>>
88%
62656
90%
**43
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
61786
89%
**97
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
62569
90%
**50
98%
Shooters World Long Rifle
<<locked>>
97%
61830
89%
**15
99%
Shooters World Match Rifle
<<locked>>
87%
62366
90%
**22
100%
Shooters World Precision
<<locked>>
91%
62584
90%
**22
100%
Somchem S321
<<locked>>
83%
62395
90%
**25
100%
Somchem S335
<<locked>>
88%
62366
90%
**24
100%
Somchem S341
<<locked>>
87%
62424
90%
**09
100%
Somchem S355
<<locked>>
94%
62613
90%
**45
100%
[Somchem S361]*
<<locked>>
97%
53621
77%
**96
92%
Somchem S365
<<locked>>
97%
52678
76%
**43
100%
[Somchem S385]*
<<locked>>
97%
48515
70%
**76
94%
Vihtavuori N130
<<locked>>
84%
62453
90%
**04
100%
Vihtavuori N133
<<locked>>
88%
62294
89%
**17
100%
Vihtavuori N135
<<locked>>
91%
62236
89%
**70
100%
Vihtavuori N140
<<locked>>
90%
62569
90%
**73
100%
Vihtavuori N150
<<locked>>
95%
61917
89%
**79
100%
Vihtavuori N160
<<locked>>
97%
60220
86%
**09
99%
Vihtavuori N530
<<locked>>
86%
62613
90%
**19
100%
Vihtavuori N540
<<locked>>
90%
62207
89%
**83
100%
Vihtavuori N550
<<locked>>
97%
59509
85%
**06
99%
Vihtavuori N555
<<locked>>
97%
44860
64%
**79
97%
Winchester 6.5 StaBALL
<<locked>>
97%
61134
88%
**83
100%
Winchester 748
<<locked>>
83%
62613
90%
**55
100%
Winchester 760
<<locked>>
94%
62424
90%
**94
98%
Winchester StaBALL HD
<<locked>>
97%
32953
47%
**64
97%
[Winchester Supreme 780]*
<<locked>>
97%
50589
73%
**02
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
58972
85%
**71
100%
ADI AR 2206H
<<locked>>
81%
50444
72%
**45
99%
ADI AR 2208
<<locked>>
81%
42888
62%
**55
97%
[ADI AR 2209]*
<<locked>>
93%
43482
62%
**04
90%
ADI Benchmark 8208
<<locked>>
81%
52576
76%
**61
100%
Accurate 2015
<<locked>>
81%
56753
82%
**65
100%
Accurate 2200
<<locked>>
81%
52721
76%
**61
98%
Accurate 2495
<<locked>>
81%
52866
76%
**58
100%
Accurate 2520
<<locked>>
81%
53867
77%
**84
100%
[Accurate 2700]*
<<locked>>
81%
41278
59%
**30
91%
[Accurate 3100]*
<<locked>>
91%
34330
49%
**28
90%
Accurate 4064
<<locked>>
81%
44614
64%
**04
100%
[Accurate 4350]*
<<locked>>
81%
33170
48%
**45
92%
Alliant AR-Comp
<<locked>>
81%
53751
77%
**61
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
46891
67%
**78
98%
Alliant Reloder- TS 15.5
<<locked>>
81%
42728
61%
**84
98%
Alliant Reloder-15
<<locked>>
81%
45977
66%
**66
98%
[Alliant Reloder-16]*
<<locked>>
81%
33199
48%
**64
92%
Alliant Reloder-17
<<locked>>
81%
37478
54%
**22
96%
[Alliant Reloder-19]*
<<locked>>
93%
42714
61%
**74
90%
[Alliant Reloder-23]*
<<locked>>
86%
27920
40%
**90
90%
[Alliant Reloder-26]*
<<locked>>
88%
32822
47%
**94
90%
Baschieri & Pellagri 107
<<locked>>
81%
50488
73%
**48
98%
Bofors RP3
<<locked>>
81%
43091
62%
**87
98%
[Bofors RP7]*
<<locked>>
82%
38899
56%
**23
90%
Hodgdon BL-C2
<<locked>>
81%
53621
77%
**10
100%
Hodgdon Benchmark
<<locked>>
81%
54302
78%
**58
100%
Hodgdon H322
<<locked>>
81%
55970
80%
**14
100%
Hodgdon H380
<<locked>>
81%
43743
63%
**94
96%
[Hodgdon H414]*
<<locked>>
81%
38827
56%
**92
91%
[Hodgdon H4350]*
<<locked>>
86%
41249
59%
**22
90%
Hodgdon H4895
<<locked>>
81%
50952
73%
**61
99%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
30516
44%
**49
93%
[Hodgdon LVR]*
<<locked>>
81%
36216
52%
**36
92%
[Hodgdon Superperformance]*
<<locked>>
84%
39291
56%
**05
90%
Hodgdon VARGET
<<locked>>
81%
45237
65%
**23
98%
Hodgdon LEVERevolution
<<locked>>
81%
44643
64%
**56
99%
Hodgdon TrailBoss
<<locked>>
81%
26963
39%
**10
100%
IMR 3031
<<locked>>
81%
46470
67%
**73
100%
IMR 4064
<<locked>>
81%
41756
60%
**25
97%
[IMR 4166 Enduron]*
<<locked>>
81%
41408
59%
**73
92%
[IMR 4350]*
<<locked>>
85%
38609
55%
**30
90%
[IMR 4451 Enduron]*
<<locked>>
81%
39711
57%
**50
91%
[IMR 4831]*
<<locked>>
82%
29892
43%
**30
90%
IMR 4895
<<locked>>
81%
47094
68%
**96
98%
IMR 8208 XBR
<<locked>>
81%
52576
76%
**61
100%
Lovex D073.6
<<locked>>
81%
50517
73%
**28
100%
Lovex S060
<<locked>>
81%
49821
72%
**69
99%
Lovex S062
<<locked>>
81%
44991
65%
**04
99%
[Lovex S065]*
<<locked>>
81%
37072
53%
**87
92%
[Lovex S070]*
<<locked>>
82%
36289
52%
**77
90%
Norma 201
<<locked>>
81%
49269
71%
**86
99%
Norma 202
<<locked>>
81%
49835
72%
**06
100%
Norma 203B
<<locked>>
81%
45223
65%
**46
98%
[Norma 204]*
<<locked>>
88%
43294
62%
**71
90%
[Norma MRP]*
<<locked>>
92%
38798
56%
**48
90%
[Norma URP]*
<<locked>>
81%
33359
48%
**51
92%
Ramshot Big Game
<<locked>>
81%
45556
65%
**53
98%
[Ramshot Hunter]*
<<locked>>
83%
35070
50%
**91
90%
Ramshot TAC
<<locked>>
81%
53026
76%
**55
97%
Ramshot Wild Boar
<<locked>>
81%
52794
76%
**94
99%
Ramshot X-Terminator
<<locked>>
81%
57130
82%
**10
100%
ReloadSwiss RS 14
<<locked>>
81%
27369
39%
**56
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
43947
63%
**71
94%
ReloadSwiss RS 52
<<locked>>
81%
49153
71%
**88
98%
ReloadSwiss RS 60
<<locked>>
81%
39856
57%
**07
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
33127
48%
**64
91%
[ReloadSwiss RS 70]*
<<locked>>
82%
33721
48%
**81
90%
Rottweil R 901
<<locked>>
81%
53301
77%
**58
100%
Rottweil R 902
<<locked>>
81%
46876
67%
**27
99%
Rottweil R 903
<<locked>>
81%
40321
58%
**12
97%
[Rottweil R 904]*
<<locked>>
94%
46499
67%
**07
90%
[Rottweil R 905]*
<<locked>>
93%
41611
60%
**61
90%
[Rottweil R 907]*
<<locked>>
82%
38899
56%
**23
90%
SNPE Vectan SP 11
<<locked>>
81%
41394
59%
**68
97%
SNPE Vectan SP 7
<<locked>>
81%
51808
74%
**35
98%
SNPE Vectan SP 9
<<locked>>
81%
49081
70%
**99
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
50285
72%
**37
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42047
60%
**66
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36492
52%
**22
90%
[Shooters World Long Rifle]*
<<locked>>
81%
37072
53%
**87
92%
Shooters World Match Rifle
<<locked>>
81%
50517
73%
**28
100%
Shooters World Precision
<<locked>>
81%
44991
65%
**04
99%
Somchem S321
<<locked>>
81%
58088
83%
**53
100%
Somchem S335
<<locked>>
81%
50111
72%
**40
100%
Somchem S341
<<locked>>
81%
51459
74%
**25
99%
Somchem S355
<<locked>>
81%
40857
59%
**19
97%
[Somchem S361]*
<<locked>>
94%
49052
70%
**20
90%
[Somchem S365]*
<<locked>>
81%
29892
43%
**82
94%
[Somchem S385]*
<<locked>>
91%
39088
56%
**56
90%
Vihtavuori N130
<<locked>>
81%
56478
81%
**28
100%
Vihtavuori N133
<<locked>>
81%
50604
73%
**30
100%
Vihtavuori N135
<<locked>>
81%
44179
63%
**68
100%
Vihtavuori N140
<<locked>>
81%
47108
68%
**10
100%
Vihtavuori N150
<<locked>>
81%
38899
56%
**33
98%
[Vihtavuori N160]*
<<locked>>
81%
34838
50%
**71
93%
Vihtavuori N530
<<locked>>
81%
53200
76%
**58
100%
Vihtavuori N540
<<locked>>
81%
45832
66%
**97
100%
[Vihtavuori N550]*
<<locked>>
81%
34606
50%
**61
92%
[Vihtavuori N555]*
<<locked>>
85%
29312
42%
**56
90%
Winchester 6.5 StaBALL
<<locked>>
81%
34853
50%
**28
95%
Winchester 748
<<locked>>
81%
57899
83%
**79
100%
[Winchester 760]*
<<locked>>
81%
38827
56%
**92
91%
[Winchester StaBALL HD]*
<<locked>>
90%
28921
42%
**66
90%
[Winchester Supreme 780]*
<<locked>>
92%
42569
61%
**25
90%

Start Load - Barrel Length: 23.60''

Any powder missing? Then click here.

FR ... fill rate of the cartridge in percent

MaxP ... max. pressure of load in psi or bar

% ... max. pressure of load in percent of the maximum allowed pressure for this caliber 

V(0) ... muzzle velocity in feet per second (fps) or  meters per second (m/s)

z ... powder burnt in percent

[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.

[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.

👍  ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.

<<locked>>... you need to buy an access license to unlock the data

bottom of page